1308864061
- Moved MSR code to separate files with an enum class - Implemented syscall_enable in C++ using new MSR calls
25 lines
484 B
ArmAsm
25 lines
484 B
ArmAsm
%include "push_all.inc"
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extern syscall_handler
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global syscall_handler_prelude
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syscall_handler_prelude:
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push 0 ; ss, doesn't matter here
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push rsp
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pushf
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push 0 ; cs, doesn't matter here
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push rcx ; user rip
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push 0 ; bogus interrupt
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push 0 ; bogus errorcode
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push_all_and_segments
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mov rdi, rsp
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call syscall_handler
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mov rsp, rax
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pop_all_and_segments
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add rsp, 16 ; ignore bogus interrupt / error
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pop rcx ; user rip
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add rsp, 32 ; ignore cs, flags, rsp, ss
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o64 sysret
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